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Ubuntu all screwy after dist-upgrade. Can't bring up grub screen either

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http://askubuntu.com – OK, so after last night's dist upgrade, I'm getting the following symptoms: After restarting computer several times. One of my screens (always the same one) is split down the middle. Not always in the same place, and sometimes shows "trails". This is not a hardware problem: during boot both screens work fine. I'ts only once the Ubuntu log-in screen shows up that the screen goes screwy. Unity desktop half-loads and then doesn't respond to any command. The mouse moves but nothing is clickable. Xmonad desktop responds (I'm on Xmonad desktop right now, using the second screen). Curiously: (HowTos)

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Submitted by funckax on 01/19/2013

Stories similar to Ubuntu all screwy after dist-upgrade. Can't bring up grub screen either

I'm not sure if the issue ultimately falls on Ubuntu or xmonad, but when I use the unity desktop in Ubuntu from my VM, when I resize the window, the desktop resizes accordingly, but when using xmonad, I have to use scrollbars to view the whole screen (I have the VMware Player window as tall as I can make it on my laptop monitor). I used to be a lot more proficient at linux, but I haven't used it a

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Installations

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Removal

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Dear Sir/Madam,

I have just upgraded ubuntu 10.04 32 bits desktop to ubuntu 12.04 32 bits desktop (through login into ubuntu 10.04 desktop GUI screen, and then upgrade to 12.01 through the popup "update manager" GUI screen), but got can't login though GUI screen problem, i.e.

Dear Sir/Madam,

I have just upgraded ubuntu 10.04 32 bits desktop to ubuntu 12.04 32 bits desktop (through login into ubuntu 10.04 desktop GUI screen, and then upgrade to 12.01 through the popup "update manager" GUI screen), but got can't login though GUI screen problem, i.e.

Desktop doesn't load in my newly installed Ubuntu 12.04.

I am unable to get the desktop to load in my newly installed Ubuntu 12.04.

Details: I recently installed Ubuntu 12.04 on a Gateway 5300 laptop (Computer #1) using the alternate ISO (ubuntu-12.04.1-alternate-i386.iso).

I can install Ubuntu 11.04 on this machine and upgrade it to 11.10. But when I try to use 12.04 or 12.10, with either Unity, Xbuntu, or even Lubuntu, the screen goes black after I choose to install or try the DVD, until I reboot the computer.

I would like to upgrade the computer at least to 12.04, but am scared of the screen not working.

hi,

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